Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trang cua » tranh cua, tang cua, trung cua
cua trong » cua truong, cua trung, qua trong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh trang cua trong ((cong tan) OR (cong san)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh trang cua trong ((cong tan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trang cua trong ((cong tan) OR (cong san)) toan cau*.